Atoms
what are the 3 particles in an atom?
protons, neutrons, and electrons
What element has 9 protons and 9 electrons?
Flourine
What is it called when a solid changes to a liquid?
Melting
Does a stone at the top of a hill have kinetic or potential energy?
Potential energy
What charge does a neutron have?
Neutral charge
What is the atomic number of Holmium
67
What is the process called when a gas turns to a liquid?
condensation
Does a swing that is moving having potential or kinetic energy?
BOTH!
What charge does a proton have?
Positive charge
What is the atomic mass of Neon? Rounded to the nearest whole number
20
What is the process when a liquid goes to a gas?
Evaporation
When the kinetic energy increases what does potential energy do? Increase or decrease?
Decrease
What particles are in the nucleus of an atom?
Protons and Neutrons
How many neutrons does Sodium have?
12
What state of matter has a definite shape and volume?
Solid
Does a ball being held by an adult or a child have more gravitational potential energy?
The adult
Which one of these particles does NOT contribute to the mass of an atom?
Electrons
How many neutrons does Germanium have?
41
What state of matter has no definite volume or shape?
A gas
Name the 5 potential energies that we learned about in class.
Elastic, Gravitational, Electric, Magnetic, and Chemical.